Alright, let's work through 90066048 times 52053873 step by step
90066048 × 52053873 = 52053873 × (90066048)
+ 52053873 × 8 producing 416430984
+ 52053873 × 40 that is equal 2082154920
+ 52053873 × 000 which equals 0
+ 52053873 × 6000 that results in 312323238000
+ 52053873 × 60000 resulting in 3123232380000
+ 52053873 × 000000 that equals 0
+ 52053873 × 0000000 yielding 0
+ 52053873 × 90000000 which equals 4684848570000000

= 4688286624203904
